. (Chuyển các câu sau sang bị động) 1. People grow rice in many countries in the world. -> Rice _______________________________________________________________ 2. Graham Bell invented the telephone many years ago. -> The telephone _________________________________________________________ 3. Lan practices English every day. -> English ____________________________________________________________ 4. They will take the garbage out of the city. -> The garbage _________________________________________________________ 5. Mary sent me this letter two days ago. -> I ____________________________________________________________________ 6. People make compost from vegetables. -> Compost _____________________________________________________________ 7. You must finish this work before Sunday. -> This work ____________________________________________________________ 8. I saw a strange man in my garden yesterday. -> A strange man __________________________________________________________ 9. They clean the floor every morning. -> The floor ______________________________________________________________ 10. They will solve the problem soon. -> The problem _____________________________________________________________ 11. They break the glass into small pieces. -> The glass _______________________________________________________________ 12. They made these cars in the USA. -> These cars ____________________________________________________________ 13. We planted many trees in the school garden. -> Many trees ___________________________________________________________

1) People grow rice in many countries in the world.

=> Rice is grown in many countries in the world.

2) Graham Bell invented the telephone many years ago. 
=> The telephone was invented by Graham Bell many years ago.

3) Lan practise English everyday.
=> English is practised by Lan everyday.

4) They will take the garbage out of the city.

=> The garbage will be taken out of the city.

5) Mary sent me this letter two days ago.

=> I was sent this letter by Mary two days ago.

6) People make compost from vegetables.

=> Compost is made from vegetables.

7) You must finish this work.

=> This work must be finished.

8) I saw a strange man in my garden yesterday.

=> A strange man was seen my garden yesterday.

9) They clean the floor every morning.
=> The floor is cleaned every morning.

10) They will slove the problem soon.

=> The problem will be sloven soon.

11) They break the glass into small pieces.

=> The glass is broken into small pieces.

12) They made these cars in the USA.

=> These cars were made in the USA.

13) We planted many trees in the school garden.

=> Many trees were planted in the school garden.

1) Rice is grown in many countries in the world.

2) The telephone was invented by Graham Bell many years ago.

3) English is practiced by Lan everyday.

4) The garbage will be taken out of the city.

5) I was sent this letter by Mary two days ago.

6) Compost is made from vegetables.

7) This work must be finished before Sunday.

8) A strange man was seen in my garden yesterday.

9) The floor is cleaned every morning.

10) The problem will be solved soon.

11) The glass is broken into small pieces.

12) These cars were made in the USA.

13)  Many trees were planted in the school garden.